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vortex interaction in 2D

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Old   June 13, 2007, 05:17
Default vortex interaction in 2D
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I'm trying to simulate vortex interaction of 2 vortices (Rankine, Oseen, Burgers) in 2D with an approaching flow. Here's a sketch (the o s are the vortices):

vel.inlet------------wall-------------pressure outlet











I already tried to model the vortices in gambit as faces (circles) and tried to define them as velocity inlets boundary conditions. Unfortunately, this didn't work when I exported the mesh!

Could an udf help? Can I adjust a udf as a velocity profile if there isn't any boundary?

How can I solve this problem? I'd appreciate any help!

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